partial_s3.rb

module Paperclip
  module Storage
    module S3
      #
      # ...
      #
      @s3_host_name         = @options[:s3_host_name]         || @s3_credentials[:s3_host_name]
      #
      # ...
      #

      def s3_host_name 
        @s3_host_name || "s3.amazonaws.com" 
      end

      #
      # ...
      #
    end
  end
end